Canada. A month later, Chevron used Corexit and another chemical dispersant called Cold Clean on and beneath an oil platform off the Louisiana coast during a spill in the Gulf of Mexico. Corexit 9527 was applied to spilled oil in Galveston, Texas in August 1984 but was said to have failed. 2,000 gallons of Corexit was air-dropped onto oil which leaked from the SS Puerto Rican as it sank off San Francisco later that year. 1989–2015 Corexit 9580 was used during the 1989 Exxon Valdez oil spill disaster in Alaska. Corexit 7764 and Corexit 9527 were both used during the 1992 Port Bonython oil spill in South Australia. 45,000 litres of Corexit 9500 and 9527 were used in the response to the Montara oil spill off Australia's north-west shelf in 2009 and 2,000 litres of Corexit 9527 were used after the Chinese bulk carrier Shen Neng was grounded on Australia's Great Barrier Reef in 2010. Corexit EC9500A and Corexit EC9527A were used during the 2010 Deepwater Horizon oil spill. More recently, Corexit has been used in Trinidad. A video released by Anonymous alleged that Corexit 9500 had been used in response to 8,000 barrels of oil leaking into the Guaracara River in July 2014. The President of Petrotrin, Khalid Hassanali denied this claim but confirmed that Corexit had been used one mile off-shore near Pointe-à-Pierre. The use of Corexit is approved in the US by the U.S. Environmental Protection Agency (EPA). This decision was called into question in 2013 following a report by the Government Accountability Project alleging "devastating long-term effects on human health and the Gulf of Mexico ecosystem" stemming from the use of Corexit. Of the eight European countries in the Bonn Agreement, France, Germany, and the Netherlands have provisions to use Corexit 9500 in an oil spill. Belgium and Norway do not have lists of approved dispersants, but Belgium has a stockpile of Corexit 9527. The UK and Denmark keep lists of approved dispersants and have not approved of Corexit. Sweden does not use dispersant at all. Deepwater Horizon oil spill Approximately one week following the incident, subsidiaries of BP formally requested Nalco Company (an indirect subsidiary of Nalco Holding Company) to supply large quantities of Corexit 9500. Corexit 9500 was listed on the U.S. EPA National Contingency Plan Product Schedule and authority and direction for its use was provided by responding federal agencies. Nalco immediately provided